apply_filters( 'pre_get_table_charset', string|WP_Error|null $charset, string $table )

3285<?php3286		 * @since 4.2.03287		 *3288		 * @param string|WP_Error|null $charset The character set to use, WP_Error object3289		 *                                      if it couldn't be found. Default null.3290		 * @param string               $table   The name of the table being checked.3291		 */3292		$charset = apply_filters( 'pre_get_table_charset', null, $table );3293		if ( null !== $charset ) {3294			return $charset;3295		}3296 3297		if ( isset( $this->table_charset[ $tablekey ] ) ) {3298			return $this->table_charset[ $tablekey ];